Deckel edge profiler
AssigneeAsea Brown Boveri AG
InventorVolker J. Ringer
Life of this patent
Estimating the term…
Abstract
An adjustable deckel profiler is disclosed, for use in apparatus for drying a moving paper web. The profiler is a slidable member which interacts with impingement air to control and adjust the air against the moving web. Means are provided for adjusting and setting the profiler relative to cross machine drying air profiling.
Claims2
An adjustable deckel edge profiler for use in a machine for drying a moving web of tissue, pulp or paper and wherein said machine incorporates at least one nozzle box which includes an outer end wall and a bottom wall with a plurality of apertures in the bottom wall for directing drying air onto said web;
- said edge profiler comprising means for controlling and adjusting hot process impingement air onto said web at the marginal areas thereof and which operatively increases or decreases the process air impinging on said marginal areas of said web, and means for adjusting and setting said edge profiler relative to cross-machine drying air profiling;
- said deckel edge profiler comprising:
- a member moveably located in the outer end wall of said nozzle box, said member having a bottom wall with apertures therethrough;
- plate means intermediate the bottom wall of said member and the bottom wall of said nozzle box and a series of apertures in said plate means in registry with selected apertures in the bottom wall of said nozzle box;
- and
- means for adjusting said moveably located member to bring the bottom wall apertures therein into selective registry with apertures in said plate means so as to selectively increase or decrease said process air impinging on said marginal areas of said moving web.
Dependencies are inferred from the claim text.